: Finding which ignition coil needs replacing?



truckinman
08-22-12, 07:49 PM
I want to do my own work to my STS and I'm pretty sure my problem is a bad ignition coil but with out taking it in and having someone scan, is there a way at home I can figure out myself which if any ignition coils might be bad?

EChas3
08-22-12, 09:53 PM
Buy a shop manual & tools or subscribe to Alldata.